43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
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import {
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inputRules,
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textblockTypeInputRule,
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wrappingInputRule,
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smartQuotes,
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emDash,
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ellipsis
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} from 'prosemirror-inputrules'
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import type { NodeType, Schema } from 'prosemirror-model'
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import type { ProseMirrorExtension } from '../state'
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const blockQuoteRule = (nodeType: NodeType) => wrappingInputRule(/^\s*>\s$/, nodeType)
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const orderedListRule = (nodeType: NodeType) =>
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wrappingInputRule(
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/^(\d+)\.\s$/,
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nodeType,
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(match) => ({ order: +match[1] }),
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// FIXME
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// eslint-disable-next-line eqeqeq
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(match, node) => node.childCount + node.attrs.order == +match[1]
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)
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const bulletListRule = (nodeType: NodeType) => wrappingInputRule(/^\s*([*+-])\s$/, nodeType)
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const headingRule = (nodeType: NodeType, maxLevel: number) =>
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textblockTypeInputRule(new RegExp('^(#{1,' + maxLevel + '})\\s$'), nodeType, (match) => ({
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level: match[1].length
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}))
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const markdownRules = (schema: Schema) => {
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const rules = [...smartQuotes, ellipsis, emDash]
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if (schema.nodes.blockquote) rules.push(blockQuoteRule(schema.nodes.blockquote))
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if (schema.nodes.ordered_list) rules.push(orderedListRule(schema.nodes.ordered_list))
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if (schema.nodes.bullet_list) rules.push(bulletListRule(schema.nodes.bullet_list))
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if (schema.nodes.heading) rules.push(headingRule(schema.nodes.heading, 6))
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return rules
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}
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export default (): ProseMirrorExtension => ({
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plugins: (prev, schema) => [...prev, inputRules({ rules: markdownRules(schema) })]
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})
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